Shampoo is an essential beauty product (just think of how gross you’d feel if you never, ever washed your hair). But not all shampoos are created equal and there are many factors that separate the good from the great. One of those factors? Price. You don’t need to splurge to find a great shampoo — just ask these online reviewers. Here, their favorite cheap shampoos from the drugstore. (Spoiler alert: They’re all under $10.)